<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>flex布局1</title>
    <style>
        .box{
            display: flex;
            justify-content: space-between;
            width: 1500px;
            height: 200px;
            background-color: pink;
        }
        .box>div{
            width: 300px;
            height: 200px;
            background-color: purple;

        }
    </style>
</head>
<body>
    <div class="box">
        <div></div>
        <div></div>
        <div></div>
        <div></div>
    </div>
</body>
</html>